This massive underground salt mine now holds a sci-fi theme park in its depths.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

A 16th-century horror show built in a lovely Italian garden.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Peace Park and the Atomic Bomb Dome.

Largest collection of mounted dinosaur specimens in the world.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Historic funicular railway, believed to be the shortest railroad in the world.

A monument to the sheer amount of oddities one can collect over a lifetime.

The underground sanctuary of a mysterious ancient cult.

Ancient Greek oracle of the dead.

"We Seceded Where Others Failed."

The glowing blue Nymphaeum of Emperor Tiberius.

Museum dedicated to "the man who moved the Earth."

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This Funeral Hearse Museum represents the finest in cadaver transportation.

The fossilized remains of ancient California redwoods.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

The place where World War I began.